驱动机构
drive mechanism
driving mechanism
driving device
drive device
Driving machine
actuating device
driving gear
control rod drive mechanism
Drive
driving machanism
driving apparatus
Mechanism
locomotion mechanism
diving mechanism
drive-in pipe
油层驱动机构
reservoir combination drive
开闭驱动机构
retractable actuation mechanism
电磁驱动机构
electromagnet drive device
Electromagnetic drive mechanism